Chair for work environment

Details Chair for work environment Chair for work environment

1983-11-28

1986-01-28

Lyddane, William E.

Chairs and seats

Bottom or back with means to alter contour

297458, A47C 300, A47C 714

Patent

active

045667330

ABSTRACT:
A chair seat construction which includes a flexible seat plate, and a U-shaped structural member extending fore and aft of the seat plate. A pair of hinges is provided, with each hinge pivotally joining the longitudinal upper edge of one leg of the U-shaped structural member to the seat plate. A cam is operatively connected between the seat plate and the U-shaped structural member for flexing the seat plate and varying its contour, and an actuating member is operatively connected to the cam for actuation thereof.

REFERENCES:
patent: 465275 (1891-12-01), Kennedy et al.
patent: 2049550 (1936-08-01), Van Dresser et al.
patent: 3642319 (1972-02-01), Berchicci
patent: 3762769 (1973-10-01), Poschl
patent: 3990742 (1976-11-01), Glass et al.
patent: 4040661 (1977-08-01), Hogan et al.

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